package com.qd.panda.service.park;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.cdqidi.constant.ConstantDto;
import com.cdqidi.db.BaseService;
import com.cdqidi.dto.CacheKey;
import com.cdqidi.exception.ApiException;
import com.cdqidi.util.RedisTemplateUtil;
import com.qd.common.panda.domain.entity.carpark.CarParkChargeDTO;
import com.qd.common.panda.domain.entity.carpark.CarParkChargeTimeDTO;
import com.qd.common.panda.domain.entity.carpark.CarParkInfoDTO;
import com.qd.panda.mapper.park.CarParkChargeMapper;
import com.qd.panda.model.CarParkCharge;
import com.qd.panda.model.CarParkChargeFee;
import com.qd.panda.service.stroke.BigDecimalUtil;
import com.qd.system.service.dict.MbUtil;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.util.StringUtils;

import java.util.*;

import static java.util.stream.Collectors.toList;

/**
 * 充电信息
 *
 * @author sjk
 */
@RequiredArgsConstructor
@Service
@Slf4j
public class CarParkChargeService extends BaseService<CarParkChargeMapper, CarParkCharge> {

    private static final String PREFIX_ID = "panda_car_park_charge_pId_{0}";

    private final RedisTemplateUtil<CarParkCharge> redisTemplateUtil;

    private final CarParkChargeTimeService carParkChargeTimeService;
    private final CarParkChargeFeeService carParkChargeFeeService;

    /**
     * 保存
     *
     * @param dto 页面对象
     * @return 页面对象
     */
    @Transactional(rollbackFor = Exception.class)
    public CarParkChargeDTO save(CarParkChargeDTO dto) {
        final CarParkCharge model = dtoToModel(dto);
        try {
            if (super.save(model)) {
                return modelToDto(model);
            }
            throw new ApiException("添加失败");
        } finally {
            clearCache(model);
            model.freeData();
        }
    }

    /**
     * 修改
     *
     * @param dto 页面对象
     * @return 页面对象
     */
    @Transactional(rollbackFor = Exception.class)
    public CarParkChargeDTO update(CarParkChargeDTO dto) {
        final CarParkCharge historyModel = Optional.ofNullable(getById(dto.getPId())).orElseThrow(() -> new ApiException("ID不存在,不能更新"));
        final CarParkCharge model = dtoToModel(dto);
        try {
            if (super.updateById(model)) {
                return modelToDto(model);
            }
            throw new ApiException("更新失败");
        } finally {
            clearCache(historyModel);
            historyModel.freeData();
            model.freeData();
        }
    }

    /**
     * 删除，单个
     *
     * @param pId 主键
     */
    @Transactional(rollbackFor = Exception.class)
    public void removeById(String pId) {
        final CarParkCharge model = Optional.ofNullable(getById(pId)).orElseThrow(() -> new ApiException("数据不存在,不能删除"));
        try {
            if (!super.removeById(pId)) {
                throw new ApiException("删除失败");
            }
        } finally {
            clearCache(model);
            model.freeData();
        }
    }

    /**
     * 根据传入对象构建查询参数，判断是否存在
     *
     * @param dto 参数
     * @return 存在为true
     */
    @Transactional(readOnly = true)
    public Boolean isExists(CarParkChargeDTO dto) {
        final QueryWrapper<CarParkCharge> queryWrapper = createQueryWrapper(dto);
        final boolean exists = super.count(queryWrapper) > 0;
        queryWrapper.clear();
        return exists;
    }

    /**
     * 根据主键判断数据是否存在
     *
     * @param pId 主键
     * @return 存在为true
     */
    @Transactional(readOnly = true)
    public Boolean isExistsById(String pId) {
        boolean exists = false;
        if (StringUtils.hasLength(pId)) {
            final CarParkCharge model = getById(pId);
            exists = (null != model);
            if (exists) {
                model.freeData();
            }
        }
        return exists;
    }

    /**
     * 根据主键获取数据
     *
     * @param pId 主键
     * @return 单条记录
     */
    @Transactional(readOnly = true)
    public CarParkCharge getById(String pId) {
        final String key = RedisTemplateUtil.getRedisCacheKey(PREFIX_ID, pId);
        return redisTemplateUtil.get(new CacheKey().setKey(key).setTimeout(ConstantDto.REDIS_TIME_OUT_DAY), () -> super.getById(pId), CarParkCharge.class);
    }

    /**
     * 根据主键获取数据
     *
     * @param pId 主键
     * @return 单条记录，转换成页面对象
     */
    @Transactional(readOnly = true)
    public CarParkChargeDTO getByIdDto(String pId) {
        return Optional.ofNullable(getById(pId)).map(this::modelToDto).orElse(null);
    }

    /**
     * 根据条件查询单条数据
     *
     * @param dto 查询参数
     * @return 单条记录
     */
    @Transactional(readOnly = true)
    public CarParkCharge getOne(CarParkChargeDTO dto) {
        final QueryWrapper<CarParkCharge> queryWrapper = createQueryWrapper(dto);
        CarParkCharge model = super.getOne(queryWrapper);
        queryWrapper.clear();
        return model;
    }

    /**
     * 根据条件查询单条数据
     *
     * @param dto 查询参数
     * @return 单条记录，转换成页面对象
     */
    @Transactional(readOnly = true)
    public CarParkChargeDTO getOneDto(CarParkChargeDTO dto) {
        return Optional.ofNullable(getOne(dto)).map(this::modelToDto).orElse(null);
    }

    /**
     * 根据条件查询列表数据
     *
     * @param dto 查询参数
     * @return 列表数据
     */
    @Transactional(readOnly = true)
    public List<CarParkCharge> getList(CarParkChargeDTO dto) {
        final QueryWrapper<CarParkCharge> queryWrapper = createQueryWrapper(dto);
        final List<CarParkCharge> list = super.list(queryWrapper);
        queryWrapper.clear();
        return list;
    }

    /**
     * 根据条件查询列表数据
     *
     * @param dto 查询参数
     * @return 列表数据，转换成页面对象
     */
    @Transactional(readOnly = true)
    public List<CarParkChargeDTO> getListDto(CarParkChargeDTO dto) {
        return modelToDtoList(getList(dto));
    }

    /**
     * 清空缓存
     *
     * @param model 数据库对象
     */
    public void clearCache(CarParkCharge model) {
        if (null == model) {
            return;
        }
        String key = RedisTemplateUtil.getRedisCacheKey(PREFIX_ID, model.getPId());
        redisTemplateUtil.deleteByKey(key);
    }

    /**
     * 数据库对象转页面对象
     *
     * @param model 数据库对象
     * @return 页面对象
     */
    public CarParkChargeDTO modelToDto(CarParkCharge model) {
        if (null == model) {
            return null;
        }
        final CarParkChargeDTO dto = new CarParkChargeDTO();
        dto.setPId(model.getPId());
        dto.setFastChargeNum(model.getFastChargeNum());
        dto.setFastChargeUse(model.getFastChargeUse());
        dto.setSlowChargeNum(model.getSlowChargeNum());
        dto.setSlowChargeUse(model.getSlowChargeUse());
        dto.setFreePark(model.getFreePark());
        dto.setAllDay(model.getAllDay());
        dto.setChargeBrand(model.getChargeBrand());
        dto.setStationId(model.getStationId());
        buildDisplay(dto);
        return dto;
    }

    /**
     * 页面对象转数据库对象
     *
     * @param dto 页面对象
     * @return 数据库对象
     */
    public CarParkCharge dtoToModel(CarParkChargeDTO dto) {
        if (null == dto) {
            return null;
        }
        final CarParkCharge model = new CarParkCharge();
        model.setPId(dto.getPId());
        model.setFastChargeNum(dto.getFastChargeNum());
        model.setFastChargeUse(dto.getFastChargeUse());
        model.setSlowChargeNum(dto.getSlowChargeNum());
        model.setSlowChargeUse(dto.getSlowChargeUse());
        model.setFreePark(dto.getFreePark());
        model.setAllDay(dto.getAllDay());
        model.setChargeBrand(dto.getChargeBrand());
        model.setStationId(dto.getStationId());
        return model;
    }

    /**
     * 码表转换
     *
     * @param dto 页面对象
     */
    public void buildDisplay(CarParkChargeDTO dto) {
        dto.setFreeParkDisplay(MbUtil.idToDisplay(dto.getFreePark()));
        dto.setAllDayDisplay(MbUtil.idToDisplay(dto.getAllDay()));
        CarParkChargeFee carParkChargeFee = carParkChargeFeeService.getUniqueByPId(dto.getPId());
        if(null!=carParkChargeFee){
            dto.setCarParkChargeFee(carParkChargeFeeService.modelToDto(carParkChargeFee));
            carParkChargeFee.freeData();
        }
    }

    /**
     * 数据库对象转页面对象
     *
     * @param list 数据库对象
     * @return 页面对象
     */
    public List<CarParkChargeDTO> modelToDtoList(List<CarParkCharge> list) {
        return Optional.ofNullable(list).orElse(Collections.emptyList()).stream().map(this::modelToDto).collect(toList());
    }

    /**
     * 页面对象转数据库对象
     *
     * @param list 页面对象
     * @return 数据库对象
     */
    public List<CarParkCharge> dtoToModelList(List<CarParkChargeDTO> list) {
        return Optional.ofNullable(list).orElse(Collections.emptyList()).stream().map(this::dtoToModel).collect(toList());
    }

    /**
     * 拼装查询参数，除了主键的其他字段会自动加入进来
     *
     * @param dto 查询参数，不为空的属性会被自动加入
     */
    public QueryWrapper<CarParkCharge> createQueryWrapper(CarParkChargeDTO dto) {
        return createQueryWrapper(dto, "");
    }

    /**
     * 拼装查询参数，除了主键的其他字段会自动加入进来
     *
     * @param dto        查询参数，不为空的属性会被自动加入
     * @param tableAlias 表别名
     */
    public QueryWrapper<CarParkCharge> createQueryWrapper(CarParkChargeDTO dto, String tableAlias) {
        final QueryWrapper<CarParkCharge> queryWrapper = new QueryWrapper<>();
        if (null != dto) {
            if (StringUtils.hasLength(tableAlias)) {
                if (tableAlias.charAt(tableAlias.length() - 1) != '.') {
                    tableAlias += ".";
                }
            }
            if (StringUtils.hasLength(dto.getFreePark())) {
                queryWrapper.eq(tableAlias + "free_park", dto.getFreePark());
            }
            if (StringUtils.hasLength(dto.getAllDay())) {
                queryWrapper.eq(tableAlias + "all_day", dto.getAllDay());
            }
        }
        return queryWrapper;
    }

    /**
     * 批量检查主键在数据库中是否存在
     *
     * @param ids 主键集合
     */
    public List<CarParkCharge> checkIds(List<String> ids) {
        if (null == ids || ids.isEmpty()) {
            throw new ApiException("ids不能为空");
        }
        final List<CarParkCharge> list = super.listByIds(ids);
        if (list.isEmpty()) {
            throw new ApiException("ids不存在" + Arrays.toString(ids.toArray()));
        }
        if (ids.size() == list.size()) {
            return list;
        }
        List<String> dbIds = list.stream().map(CarParkCharge::getPId).collect(toList());
        final List<String> notExistsList = ids.stream().filter(id -> !dbIds.contains(id)).collect(toList());
        dbIds.clear();
        if (!notExistsList.isEmpty()) {
            throw new ApiException("ids不存在" + Arrays.toString(notExistsList.toArray()));
        }
        return list;
    }

    public void build(CarParkInfoDTO carParkInfoDTO) {
        final Map<String, Object> charge = carParkInfoDTO.getCharge();
        if (null != charge && !charge.isEmpty()) {
            final Integer fastChargeNum = Integer.parseInt(charge.getOrDefault("fastChargeNum", 0).toString());
            final Integer slowChargeNum = Integer.parseInt(charge.getOrDefault("slowChargeNum", 0).toString());
            final Integer chargeNum = fastChargeNum + slowChargeNum;

            final Integer fastChargeUse = Integer.parseInt(charge.getOrDefault("fastChargeUse", 0).toString());
            final Integer slowChargeUse = Integer.parseInt(charge.getOrDefault("slowChargeUse", 0).toString());
            final Integer chargeUse = fastChargeUse + slowChargeUse;

            if (chargeNum >= chargeUse) {
                carParkInfoDTO.setBerthStatus("泊位已满");
            } else if (BigDecimalUtil.percentage(chargeUse, chargeNum) > 70) {
                carParkInfoDTO.setBerthStatus("泊位紧张");
            } else {
                carParkInfoDTO.setBerthStatus("泊位充足");
            }
            final CarParkChargeTimeDTO carParkChargeTimeDTO = carParkChargeTimeService.getCurrentTimeByPid(carParkInfoDTO.getPId());
            if (null != carParkChargeTimeDTO) {
                charge.put("originalPriceDisplay", carParkChargeTimeDTO.getOriginalPriceDisplay());
                charge.put("concessionalRateDisplay", carParkChargeTimeDTO.getConcessionalRateDisplay());
                charge.put("serviceChargeDisplay", carParkChargeTimeDTO.getServiceChargeDisplay());
                charge.put("electricityFeesDisplay", carParkChargeTimeDTO.getElectricityFeesDisplay());
                charge.put("startTime", carParkChargeTimeDTO.getStartTime());
                charge.put("endTime", carParkChargeTimeDTO.getEndTime());
            }

        }
    }
}